Miele Dishwasher Not Draining — Fix

What Does This Error Mean?

A Miele dishwasher that will not drain almost always has a blocked filter. Remove the bottom basket, twist out the coarse filter and microfilter, clean them under the tap, and refit.

Affected Models

Miele G Series Dishwasher
Miele Active Dishwasher
Miele Classic Plus Dishwasher
Miele Excellence Dishwasher

Common Causes

Blocked coarse filter or microfilter
Kinked or blocked drain hose
Blocked household drain or sink connection
Drain hose not at sufficient height to prevent siphoning
Failed drain pump motor

How to Fix It

Clean both filters.

Remove the bottom basket. Turn the coarse filter cap counter-clockwise and lift it out. Remove the flat microfilter underneath. Rinse both thoroughly and scrub away food residue with a soft brush. Refit and restart.
Inspect and clear the drain hose.

Pull the machine slightly forward. Inspect the drain hose for kinks and straighten them. Ensure the hose loops to at least 40 cm above floor level before connecting to the drain — this is essential for Miele machines.
Check the sink drain.

Run the kitchen tap and confirm the sink drains freely. The Miele dishwasher drain connects to the same waste pipe — a blocked sink drain causes dishwasher drainage problems too.

When to Call a Professional

If cleaning the filters and inspecting the drain hose does not restore drainage, the drain pump has failed and needs replacement by a Miele-authorised technician.